172001374 has 4 divisors (see below), whose sum is σ = 258002064. Its totient is φ = 86000686.

The previous prime is 172001371. The next prime is 172001381. The reversal of 172001374 is 473100271.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172001371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43000342 + ... + 43000345.

It is an arithmetic number, because the mean of its divisors is an integer number (64500516).

Almost surely, 2^172001374 is an apocalyptic number.

172001374 is a deficient number, since it is larger than the sum of its proper divisors (86000690).

172001374 is an equidigital number, since it uses as much as digits as its factorization.

172001374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86000689.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 172001374 is about 13114.9294317583. The cubic root of 172001374 is about 556.1312575054.

The spelling of 172001374 in words is "one hundred seventy-two million, one thousand, three hundred seventy-four".